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data bases - Coggle Diagram
data bases
paper based data bases
notepad
calendar
flash cards
file cabinet
birthday book
address book
book of maps
advantages
cheap to set up
doesn’t use electricity
doesn’t need an expensive computer
easy to have on you at all times
don’t need training to learn how to use it
disadvantages
can be lost
can’t automatically make copies
hard to update or change
card systems can get messed up if not put in the right order
can take a while to search for a particular record
computer based data bases
advantages
can easily make copies
can easily change it
easily sort data into order
search for particular records quickly
can import data form other places
disadvantages
it can get hacked into or deleted
it can be expensive
need a computer
uses electricity
can’t carry it round with you
often people need training
google/ search engines
online mapping services
shopping websites
holiday sites
a collection of data that is stored in a logical way
each different category for a piece of information is called a field
all the information about one thing is called a record
all of the records are stored in a table